Things that have changed

Edit 0 2 …
Rebolledo Marta
 Growth Population
 www.wikipedia.com
Nuñez Paola
 Population around de world
 www.youtube.com
Zurita Kadir
 Population in the 90's
 www.longmanus.com
Díaz Mirjana
 Increasing Population
 www.animoto.com
Marmolejo Donovan
 Young Population
 www.sikpedia.com